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-rw-r--r--include/value.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/value.h b/include/value.h
index 29b64af..97b1509 100644
--- a/include/value.h
+++ b/include/value.h
@@ -412,7 +412,9 @@ public:
char *reserve(size_t size);
/**
- * Get access to the raw buffer for read operations.
+ * Get access to the raw buffer for read operations. Note that this
+ * only works for string variables - other variables return nullptr.
+ *
* @return const char *
*/
const char *rawValue() const;
@@ -688,6 +690,10 @@ public:
/**
* Cast to byte array
+ *
+ * Note that this only works for string values, other
+ * variables return a nullptr.
+ *
* @return const char *
*/
operator const char * () const